DNS resolution is generally considered as providing mapping between domain name and IP address, for example www.google.com maps to 74.125.71.103. There are two important reasons for doing DNS resolution:IP address is hard to remember, while domain name is human friendlyVirtual host may access different contents according to the header of the host domain name(sub-domain name)Some webmasters may have some unreasonable requirements when doing DNS resolution. It mainly because they are not very clear about DNS. Here are some frequently seen misunderstandings about DNS resolution.1. Please resolve ...